3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = 'Hey 🙇‍♂️ boy'; for ($i = 0, $len = grapheme_strlen($text); $i < $len; ++$i) { echo grapheme_substr($text, $i, 1) . "\n"; }
Output for 8.1.28, 8.2.18 - 8.2.19, 8.3.5 - 8.3.7
H e y 🙇‍♂️ b o y
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
H e y 🙇‍ ♂️ b o y

preferences:
53.6 ms | 402 KiB | 62 Q